Nadine Williams, MD
NPI 1992971840 · Orthopaedic Surgery Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nadine Williams, MD is a Orthopaedic Surgery Physician provider in Loma Linda, CA (NPI 1992971840).
Provider details
- NPI number
- 1992971840
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A145293 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,680 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-01
- Last updated
- 2022-07-21
Frequently asked questions
- What is Nadine Williams's NPI number?
- Nadine Williams's National Provider Identifier (NPI) is 1992971840, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nadine Williams's specialty?
- Nadine Williams is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Nadine Williams located?
- Nadine Williams's practice location on file with NPPES is 25455 Barton Rd, Loma Linda, CA 92354-3128.
- What is Nadine Williams's phone number?
- The practice phone number listed in the NPPES registry for Nadine Williams is (909) 558-2808.
- Does Nadine Williams accept Medicare?
- Nadine Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nadine Williams's NPI active?
- Yes — Nadine Williams's NPI (1992971840) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.